IPA: //rɪˈzɪbɪlɪti//
KK: /rɪˈzɪbɪlɪti/
The ability or tendency to laugh, often in response to something funny or amusing.
Her risibility was contagious, making everyone around her laugh.
Risibility → It is formed from "risus" (meaning laughter) and the suffix "-bility" (indicating a state or quality). The word "risibility" refers to the quality or state of being able to laugh or the capacity for laughter.
Think of 'risus' which means laughter, and remember that 'risibility' is the quality of being able to laugh.